Home / 457,956.18-631,566.09-285,890.04

Finding the Fourth Proportional to 457,956.18, 631,566.09 and 285,890.04

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Solution

The fourth proportional to 457,956.18, 631,566.09 and 285,890.04 is: 394,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,956.18 : 631,566.09 = 285,890.04 : x
  2. Step 2: Convert to fraction form
    457,956.18/631,566.09 = 285,890.04/x
  3. Step 3: Cross multiply
    457,956.18x = 631,566.09 × 285,890.04
  4. Step 4: Simplify right side
    457,956.18x = 180,558,454,732.74
  5. Step 5: Solve for x
    x = 180,558,454,732.74/457,956.18
  6. Step 6: Final answer
    x = 394,270.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.